Odpowiedź:
a) 5- 1/3= 4 i 3/3-1/3= 4 i 2/3
5- 4/5= 4 i 5/5- 4/5= 4 i 1/5
5 - 1 i 2/7= 4 i 7/7- 1 i 2/7= 3 i 5/7
5 - 3 i 3/5= 4 i 5/5- 3 i 3/5= 1 i 2/5
b) 3 i 1/3 - 1/4= 3 i 4/12- 3/12= 3 i 1/12
3 i 1/3- 3/8= 3 i 8/24- 9/24= 2 i 32/24- 9/24= 2 i 23/24
3 i 1/3 - 2 i 3/5= 3 i 5/15- 2 i 9/15= 2 i 20/15 -2 i 9/15= 11/15
3 i 1/3 - 1 i 3/4= 3 i 4/12 - 1 i 9/12= 2 i 16/12- 1 i 9/12= 1 i 7/12
Szczegółowe wyjaśnienie:
A
5-1/3=14/3=4 2/3
5-4/5=21/5=4 1/5
5-1 2/7=26/7=3 5/7
5-3 3/5=7/5= 1 2/5
B
3 1/3-1/4= 37/12= 3 1/12
3 1/3-3/8= 71/24=2 23/24
3 1/3-2 3/5=11/15
3 1/3- 1 3/4=19/12=1 7/12
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Odpowiedź:
a) 5- 1/3= 4 i 3/3-1/3= 4 i 2/3
5- 4/5= 4 i 5/5- 4/5= 4 i 1/5
5 - 1 i 2/7= 4 i 7/7- 1 i 2/7= 3 i 5/7
5 - 3 i 3/5= 4 i 5/5- 3 i 3/5= 1 i 2/5
b) 3 i 1/3 - 1/4= 3 i 4/12- 3/12= 3 i 1/12
3 i 1/3- 3/8= 3 i 8/24- 9/24= 2 i 32/24- 9/24= 2 i 23/24
3 i 1/3 - 2 i 3/5= 3 i 5/15- 2 i 9/15= 2 i 20/15 -2 i 9/15= 11/15
3 i 1/3 - 1 i 3/4= 3 i 4/12 - 1 i 9/12= 2 i 16/12- 1 i 9/12= 1 i 7/12
Szczegółowe wyjaśnienie:
Odpowiedź:
A
5-1/3=14/3=4 2/3
5-4/5=21/5=4 1/5
5-1 2/7=26/7=3 5/7
5-3 3/5=7/5= 1 2/5
B
3 1/3-1/4= 37/12= 3 1/12
3 1/3-3/8= 71/24=2 23/24
3 1/3-2 3/5=11/15
3 1/3- 1 3/4=19/12=1 7/12
Szczegółowe wyjaśnienie: